CVE-2020-7060
When using certain mbstring functions to convert multibyte encodings, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause function mbfl_filt_conv_big5_wchar to read past the allocated buffer. This may lead to information disclosure or crash.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
When using certain mbstring functions to convert multibyte encodings, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause function mbfl_filt_conv_big5_wchar to read past the allocated buffer. This may lead to information disclosure or crash.
When using certain mbstring functions to convert multibyte encodings, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause function mbfl_filt_conv_big5_wchar to read past the allocated buffer. This may lead to information disclosure or crash.
When using certain mbstring functions to convert multibyte encodings, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause function mbfl_filt_conv_big5_wchar to read past the allocated buffer. This may lead to information disclosure or crash.
When using certain mbstring functions to convert multibyte encodings, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause function mbfl_filt_conv_big5_wchar to read past the allocated buffer. This may lead to information disclosure or crash.
05 / REFERENCES
Further evidence
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00023.html
- https://bugs.php.net/bug.php?id=79037
- https://lists.debian.org/debian-lts-announce/2020/02/msg00030.html
- https://seclists.org/bugtraq/2020/Feb/27
- https://seclists.org/bugtraq/2020/Feb/31
- https://seclists.org/bugtraq/2021/Jan/3
- https://security.gentoo.org/glsa/202003-57
- https://security.netapp.com/advisory/ntap-20200221-0002/
- https://usn.ubuntu.com/4279-1/
- https://www.debian.org/security/2020/dsa-4626
- https://www.debian.org/security/2020/dsa-4628
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://www.tenable.com/security/tns-2021-14
- https://nvd.nist.gov/vuln/detail/CVE-2020-7060